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resolved: respond to ANY queries from our zone

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This commit is contained in:
Lennart Poettering 2014-07-30 02:06:09 +02:00
parent 0e2bcd6a17
commit d532366133
1 changed files with 56 additions and 14 deletions
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70
src/resolve/resolved-dns-zone.c
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@ -194,9 +194,9 @@ int dns_zone_put(DnsZone *z, DnsResourceRecord *rr) {
int dns_zone_lookup(DnsZone *z, DnsQuestion *q, DnsAnswer **ret) {
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
int r;
unsigned i, n = 0;
bool has_other_rrs = false;
unsigned i, n = 0;
int r;
assert(z);
assert(q);
@ -210,16 +210,39 @@ int dns_zone_lookup(DnsZone *z, DnsQuestion *q, DnsAnswer **ret) {
for (i = 0; i < q->n_keys; i++) {
DnsZoneItem *j;
j = hashmap_get(z->by_key, q->keys[i]);
if (!j) {
if (hashmap_get(z->by_name, DNS_RESOURCE_KEY_NAME(q->keys[i])))
if (q->keys[i]->type == DNS_TYPE_ANY ||
q->keys[i]->class == DNS_CLASS_ANY) {
int k;
/* If this is a generic match, then we have to
* go through the list by the name and look
* for everything manually */
j = hashmap_get(z->by_name, DNS_RESOURCE_KEY_NAME(q->keys[i]));
LIST_FOREACH(by_name, j, j) {
has_other_rrs = true;
continue;
}
k = dns_resource_key_match_rr(q->keys[i], j->rr);
if (k < 0)
return k;
if (k == 0)
continue;
LIST_FOREACH(by_name, j, j)
n++;
n++;
}
} else {
j = hashmap_get(z->by_key, q->keys[i]);
if (!j) {
if (hashmap_get(z->by_name, DNS_RESOURCE_KEY_NAME(q->keys[i])))
has_other_rrs = true;
continue;
}
LIST_FOREACH(by_key, j, j)
n++;
}
}
if (n <= 0) {
@ -234,11 +257,30 @@ int dns_zone_lookup(DnsZone *z, DnsQuestion *q, DnsAnswer **ret) {
for (i = 0; i < q->n_keys; i++) {
DnsZoneItem *j;
j = hashmap_get(z->by_key, q->keys[i]);
LIST_FOREACH(by_key, j, j) {
r = dns_answer_add(answer, j->rr);
if (r < 0)
return r;
if (q->keys[i]->type == DNS_TYPE_ANY ||
q->keys[i]->class == DNS_CLASS_ANY) {
int k;
j = hashmap_get(z->by_name, DNS_RESOURCE_KEY_NAME(q->keys[i]));
LIST_FOREACH(by_name, j, j) {
k = dns_resource_key_match_rr(q->keys[i], j->rr);
if (k < 0)
return k;
if (k == 0)
continue;
r = dns_answer_add(answer, j->rr);
if (r < 0)
return r;
}
} else {
j = hashmap_get(z->by_key, q->keys[i]);
LIST_FOREACH(by_key, j, j) {
r = dns_answer_add(answer, j->rr);
if (r < 0)
return r;
}
}
}